1409609620 has 24 divisors (see below), whose sum is σ = 3115980000. Its totient is φ = 534167712.

The previous prime is 1409609611. The next prime is 1409609627. The reversal of 1409609620 is 269069041.

It is a self number, because there is not a number n which added to its sum of digits gives 1409609620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409609627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1854370 + ... + 1855129.

It is an arithmetic number, because the mean of its divisors is an integer number (129832500).

Almost surely, 2^1409609620 is an apocalyptic number.

1409609620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1409609620 is an abundant number, since it is smaller than the sum of its proper divisors (1706370380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1409609620 is a wasteful number, since it uses less digits than its factorization.

1409609620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709527 (or 3709525 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1409609620 is about 37544.7682107641. The cubic root of 1409609620 is about 1121.2426736400.

The spelling of 1409609620 in words is "one billion, four hundred nine million, six hundred nine thousand, six hundred twenty".